Radial Engineering MIX-BLENDER Dual Input Guitar Mixer w/ Insert LoopIntended to work with guitars, basses, and keyboards, the Tonebone Mix Blender from Radial Engineering is a stompbox that lets you mix two effected or unaffected instruments together and their combined signal through a dedicated, mixer style output. It offers two Class A buffers to ensure signal fidelity and is useful in many applications, such as blending two acoustic guitar pickups, combining two separate effects in parallel, or facilitating quick